1 files changed, 12 insertions, 19 deletions

diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 68e80e2734a4..10729bbceced 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -283,7 +283,7 @@ struct chsc_sei_nt2_area {
         u8  ccdf[PAGE_SIZE - 24 - 56];  /* content-code dependent field */
 } __packed;
 
-#define CHSC_SEI_NT0    0ULL
+#define CHSC_SEI_NT0    (1ULL << 63)
 #define CHSC_SEI_NT2    (1ULL << 61)
 
 struct chsc_sei {
@@ -291,7 +291,8 @@ struct chsc_sei {
         u32 reserved1;
         u64 ntsm;                       /* notification type mask */
         struct chsc_header response;
-        u32 reserved2;
+        u32 :24;
+        u8 nt;
         union {
                 struct chsc_sei_nt0_area nt0_area;
                 struct chsc_sei_nt2_area nt2_area;
@@ -496,17 +497,17 @@ static int __chsc_process_crw(struct chsc_sei *sei, u64 ntsm)
                                 css_schedule_eval_all();
                         }
 
-                        switch (sei->ntsm) {
-                        case CHSC_SEI_NT0:
+                        switch (sei->nt) {
+                        case 0:
                                 chsc_process_sei_nt0(&sei->u.nt0_area);
-                                return 1;
-                        case CHSC_SEI_NT2:
+                                break;
+                        case 2:
                                 chsc_process_sei_nt2(&sei->u.nt2_area);
-                                return 1;
+                                break;
                         default:
-                                CIO_CRW_EVENT(2, "chsc: unhandled nt (nt=%08Lx)\n",
-                                              sei->ntsm);
-                                return 0;
+                                CIO_CRW_EVENT(2, "chsc: unhandled nt=%d\n",
+                                              sei->nt);
+                                break;
                         }
                 } else {
                         CIO_CRW_EVENT(2, "chsc: sei failed (rc=%04x)\n",
@@ -537,15 +538,7 @@ static void chsc_process_crw(struct crw *crw0, struct crw *crw1, int overflow)
         sei = sei_page;
 
         CIO_TRACE_EVENT(2, "prcss");
-
-        /*
-         * The ntsm does not allow to select NT0 and NT2 together. We need to
-         * first check for NT2, than additionally for NT0...
-         */
-#ifdef CONFIG_PCI
-        if (!__chsc_process_crw(sei, CHSC_SEI_NT2))
-#endif
-                __chsc_process_crw(sei, CHSC_SEI_NT0);
+        __chsc_process_crw(sei, CHSC_SEI_NT0 | CHSC_SEI_NT2);
 }
 
 void chsc_chp_online(struct chp_id chpid)